physics
An electron accelerated from rest through a potential difference of 50v acquires a speed of 4.2x10^6m/s write down the speed that a potential difference of 200v would produce ?June 12, 2016

physics
What's kinetic energy in electron volt of a triply ion iron which has been accelerated from rest through a potential difference of 100v?June 12, 2016

math
What's kinetic energy in electron volts of triply ion of iron which has been accelerated from rest through a potential difference of 100v?June 12, 2016

MATH104
he half-life of 234U, uranium-234, is 2.52 multiplied by 105 yr. If 97.5% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed? yrDecember 18, 2012